6 Best Under the Counter Water Purifiers From KENT, Livpure, And More (December 2025)

The Aquaguard Designo NXT is a premium 9-stage powerhouse designed for those who don't want to compromise on water quality. It features Active Copper+ Zinc Booster technology, ensuring your water is not just pure but also enriched with essential minerals. The unit is uniquely designed as a single integrated piece with wheels and a handle, making it easy to slide out for maintenance, a rarity in UTC models. Its inbuilt pressure pump makes it suitable for homes with low-pressure municipal supply, while the 9-stage RO+UV tech effectively handles high TDS water from tankers or borewells. This Aquaguard water purifier comes with 3-in-1 patented active copper technology that infuses the right amount of copper from the 1st drop which is suitable for all age groups. This filter is ideal for municipal, borewell, or tanker water, ensuring safe and clean drinking water every time and also comes with a zero pressure pump that works better even at lower pressure. 

• Who Is It For: Large families in urban apartments who need a high-performance, easy-to-maintain system.
• User Feedback On Amazon: Users appreciate the "hidden" design and the distinct taste improvement provided by the copper technology. Some noted that professional installation is a must due to the complex 9-stage setup.

Livpure Stealth focuses on a "Sleek and Compact" philosophy. This 6-stage purifier uses a sophisticated RO+UV process to ensure that even the finest contaminants are removed. One of its standout features is the Copper 29 Cartridge, which infuses water with copper to boost immunity and digestion. Its space-saving design is specifically engineered to fit under smaller sinks, leaving plenty of room for your other kitchen essentials. It also features a smart LED indicator system to alert you about filter life and UV status. This Livepure water purifier for home comes with 7-liter storage capacity, you'll have an ample supply of purified water available whenever you need it. Say goodbye to the hassle of frequent refills.

• Who Is It For: Modern couples or small families with limited under-sink space looking for a stylish, health-focused purifier.
• User Feedback On Amazon: Customers highlight the ease of use and the quiet operation. The smart alerts for filter changes are frequently mentioned as a "life-saver."

The KENT Sterling Star is a high-tech marvel featuring a Digital Display of Purity that monitors water quality and filters life in real-time. It utilizes KENT’s patented Mineral RO Technology, which uses a TDS Controller to retain essential natural minerals that are often lost in standard RO processes. With an 8-stage purification process (RO+UV+UF+Alkaline+Copper), it delivers water with a balanced pH. Its high purification rate of 20 liters per hour ensures you never run out of water during peak hours. This branded water purifier is ideal for all types of water inputs like municipal, tab, and borewell. KENT is one of the trusted manufacturers for water filters for many years that ensure clean and safe drinking water. 

• Who Is It For: Tech-savvy homeowners who want complete transparency regarding the purity of their drinking water.
• User Feedback On Amazon: The digital display is a huge hit, providing peace of mind. Users also love the 4-year free service promise offered by KENT.

AO Smith is known for its robust build quality, and the Z2+ is no exception. It features 100% RO purification, meaning all water passes through the RO membrane to ensure no bypass of impurities. The MIN-TECH (Mineraliser Technology) adds back essential minerals like Calcium and Magnesium to ensure the water tastes fresh and natural. Its Side Stream RO membrane (SSM) technology is patented and designed to work efficiently with both low and high TDS water, making it a versatile choice for any water source. This AO Smith water purifier comes with a 5L storage tank that ensures the availability of healthy drinking water which is ideal for couples and small families. This model comes with 1 year of comprehensive warranty from the date of purchase. 

• Who Is It For: Families concerned about 100% RO filtration and those who live in areas with extremely hard water.
• User Feedback On Amazon: Reviewers often mention the "sweet" taste of the water and the elegant gooseneck faucet. The Advance Alert technology is praised for its accuracy.

The AO Smith X5 is a slightly more streamlined version of the Z2+, emphasizing speed and compact design. Despite its smaller frame, it maintains a 6-stage purification process and includes a copper-fortified mineralizer. It is highly effective at reducing TDS levels by up to 95%, making it ideal for borewell water. The high-speed purification ensures that the 7.5L tank refills quickly after use. Like other AO Smith models, it features a durable diaphragm pump and food-grade plastic components.The purifier comes with a complimentary gooseneck faucet, easily attachable to your sink, to dispense water at a speed of 15 litres/hour, fulfilling your water requirements all day long. 

• Who Is It For: Budget-conscious buyers who want the AO Smith quality and copper benefits without the premium "digital display" features.
• User Feedback On Amazon: Users find it to be a "workhorse" that performs consistently without leaks. The high recovery rate (low water wastage) is a noted benefit.

The KENT Excel Plus is a classic, ISI-marked UTC purifier that focuses on reliability and high capacity. It comes with a 7L Hydrostatic Tank, which ensures a pressurized supply of water even when there is no electricity or low tap pressure. This model uses a multi-stage process of RO+UV+UF+TDS Control. It is particularly well-suited for modular kitchens because the unit is designed to be easily wall-mounted under the sink or kept on a shelf, providing flexible installation options. This KENT water purifier comes with a 7L hydrostatic storage tank that facilitates pressurized supply of purifier water even in the absence of running water and electricity. 

• Who Is It For: Households looking for an ISI-certified, reliable RO system with a pressurized water output.
• User Feedback On Amazon: Many users mention the long-lasting filters and the convenience of the hydrostatic tank. It is often described as a "low-maintenance" option.